Re: [BENCHMARK] I/O regression after 2.6.0-test5
From: Nick Piggin
Date: Thu Oct 23 2003 - 18:08:16 EST
Dave Olien wrote:
test5 didn't work with dbt2. The database run kept hanging.
I've been running reaim, which doesn't have those problems with
older kernels, but has shown similar performance problems.
I need to also check again that reaim and dbt2 still show similar
performance issues with newer kernel versions.
I've lost my test machine for today. But I'll try test5 as-iosched
in a test8 kernel with reaim tomorrow. If it works well, I'll try your
following patch. Probably get it in the mail tomorrow afternoon.
Hi Dave,
Yeah thats right - I forgot. It was hanging because of as-iosched.c
too, so don't bother trying to run it :(
Anyway, Randy can reproduce regressions, so I'll work on his first.
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